Transgenerational acclimation to seawater acidification in the Manila clam Ruditapes philippinarum: Preferential uptake of metabolic carbon

Zhao, Liqiang; Yang, Feng; Milano, Stefania; Han, Tiankun; Walliser, Eric Otto; Schöne, Bernd R.

doi:10.1016/j.scitotenv.2018.01.225

Cited by 58 publications

(36 citation statements)

References 51 publications

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“…Furthermore, physiology at the larvae stage was not strongly affected by OA (Putnam et al 2013), but was affected more so by increased temperature. Enhanced calcification in a trans-generational context has been measured in another marine invertebrate, where higher shell growth rates in offspring of the Manila clam following exposure of the parents to low pH have been observed (Zhao et al, 2018; Zhao, Schöne, Mertz-Kraus, & Yang, 2017). This positive carryover effect for growth in another marine calcifier supports our findings here with Pocillopora acuta , with implications for the presence and importance of TGP beyond a single coral species.…”

Section: Discussionmentioning

confidence: 99%

“…Depending on the timing of exposure, environmental conditioning can set organisms on different physiological and ecological trajectories (Foo & Byrne, 2016; Ross et al, 2016; Torda et al, 2017). Studies considering the ontogenetic connections in organisms with shorter life spans such as plankton, worms, oysters, clams, and fishes, have documented substantial, and often positive TGP (Chakravarti et al, 2016; Foo & Byrne, 2016; Gibbin et al, 2017; Lane, Campanati, Dupont, & Thiyagarajan, 2015; Miller, Watson, Donelson, McCormick, & Munday, 2012; Parker et al, 2012, 2017; Ross et al, 2016; Thor & Dupont, 2015; Zhao et al, 2018). For example, in the Sydney rock oyster, parental exposure to high pCO 2 enhanced growth, development, and metabolism in F1 offspring exposed to the same high pCO 2 conditions (Parker et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

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Nurtured by nature: Considering the role of environmental and parental legacies in coral ecological performance

Putnam

Ritson‐Williams

Cruz

et al. 2018

Preprint

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The persistence of reef building corals is threatened by human-induced environmental change. Maintaining coral reefs into the future requires not only the survival of adults, but also the influx of recruits to promote genetic diversity and retain cover following adult mortality. Few studies examine the linkages among multiple life stages of corals, despite a growing knowledge of carryover effects in other systems. We provide a novel test of coral parental preconditioning to ocean acidification (OA) to better understand impacts on the processes of offspring recruitment and growth. Coral planulation was tracked for three months following adult exposure to high pCO2 and offspring from the second month were reciprocally exposed to ambient and high pCO2. Offspring of parents exposed to high pCO2 had greater settlement and survivorship immediately following release, retained survivorship benefits during one and six months of continued exposure, and further displayed growth benefits to at least one month post release. Enhanced performance of offspring from parents exposed to high conditions was maintained despite the survivorship in both treatments declining in continued exposure to OA. Preconditioning of the adults while they brood their larvae may provide a form of hormetic conditioning, or environmental priming that elicits stimulatory effects. Defining mechanisms of positive carryover effects, or positive trans-generational plasticity, is critical to better understanding ecological and evolutionary dynamics of corals under regimes of increasing environmental disturbance. Considering parental and environmental legacies in ecological and evolutionary projections may better account for coral reef response to the chronic stress regimes characteristic of climate change.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nurtured by nature: Considering the role of environmental and parental legacies in coral ecological performance

Putnam

Ritson‐Williams

Cruz

et al. 2018

Preprint

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“…Studies over 3 generations of mussels (Mytilus edulis) from CO 2 -enriched and non-enriched habitats have shown short-term selective responses of traits directly affected by ocean acidification and long-term adaptation potential, but it is uncertain if this may actually improve population stability over the longer term (Thomsen et al 2017). A recent study with the Manila clam Ruditapes philippinarum (Zhao et al 2018) found that transgenerationally acclimated clams may preferentially extract internal metabolic carbon rather than transport external seawater inorganic carbon to build shells, and suggested that these clams may implement a more efficient energy-utilizing strategy for mitigating ocean acidification which may improve future resiliency. However, transgenerational acclimation is not universally assured and may be a function of trait heritability and selection pressure (Hoffmann & Sgro 2011).…”

Section: Adaptation Potentialmentioning

confidence: 99%

Climate change and aquaculture: considering biological response and resources

Reid¹,

Gurney-Smith²,

Dj³

et al. 2019

Aquacult. Environ. Interact.

103

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The heavy reliance of most global aquaculture on the ambient environment suggests inherent vulnerability to climate change effects. This review explores the potential effects of climate change stressors on aquaculture biology and resources needed to support decision-making for vulnerability assessment, planned adaptation, and strategic research development. Climate change-mediated physiochemical outcomes important to aquaculture include extreme weather, precipitation and surge-based flooding, water stress, ocean acidification, sea-level rise, saltwater intrusion, and changes to temperature, salinity, and dissolved oxygen. Culture practices, environment, and region affect stressor exposure, and biological response between species or populations are not universal. Response to a climate change stressor will be a function of where changes occur relative to optimal ranges and tolerance limits of an organism's life stage and physiological processes; the average magnitude of the stressor over the production cycle; stressor rate of change; variation, frequency, duration, and magnitude of extremes; epigenetic expression, genetic strain, and variation within and between populations; health and nutrition; and simultaneous stressor occurrence. The effects of simultaneous stressors will frequently interact, but may not be fully additive or synergistic. Disease is a major aquaculture limiter, and climate change is expected to further affect plant and animal health through the host and/or infectious agents. Climate change may introduce further complexity to the aquaculture−wild fishery relationship, with over two-thirds of animal aquaculture production dependent on external feed inputs. Higher production costs could be an economic outcome of climate change for many aquaculture sectors. Some aquaculture practices may inadvertently reduce resiliency to climate change, such as a reduction of coastal vegetation, coastal ground-water pumping, and reduction of population variability in pursuit of consistent production traits. Information from the largest aquaculture producers such as China and the top 3 global culture species is still sparse in the literature. This potentially limits thorough understanding of climate change effects on some regional aquaculture sectors.

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“…CO 2 , calcium carbonate saturation, pH), magnitude of change, diet availability, and presence of other stressors (e.g. Ries et al 2009, Thomsen et al 2010, Waldbusser et al 2010, Gobler et al 2014, Zhao et al 2018. To date, negative responses to ocean acidification have been reported in the majority of shelled mollusc larval studies on aquaculture and commercial fisheries species (Gazeau et al 2013).…”

Section: Ocean Acidificationmentioning

confidence: 99%

Climate change and aquaculture: considering adaptation potential

Reid¹,

Gurney-Smith²,

Flaherty³

et al. 2019

Aquacult. Environ. Interact.

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Increases in global population and seafood demand are occurring simultaneously with fisheries decline in an era of rapid climate change. Aquaculture is well positioned to help meet the world's future seafood needs, but heavy reliance of most global aquaculture on the ambient environment and ecosystem services suggests inherent vulnerability to climate change effects. There are, however, opportunities for adaptation. Engineering and management solutions can reduce exposure to stressors or mitigate stressors through environmental control. Epigenetic adaptation may have the potential to improve stressor tolerance through parental or early life stage exposure. Stressor-resistant traits can be genetically selected for, and maintaining adequate population variability can improve resilience and overall fitness. Information at appropriate time scales is crucial for adaptive response, such as real-time data on stressor levels and/or species' responses, early warning of deleterious events, or prediction of longer-term change. Diet quality and quantity have the potential to meet increasing energetic and nutritional demands associated with mitigating the effects of abiotic and biotic climate change stressors. Research advancements in understanding how climate change affects aquaculture will benefit most from a combination of empirical studies, modelling approaches, and observations at the farm level. Research to support aquaculture adaptation requires an increasing amount of environmental data to guide biological response studies for regional applications. Increased experimental complexity, resources, and duration will be necessary to better understand the effects of multiple stressors. Ultimately, in order for aquaculture sectors to move beyond short-term coping responses, governance initiatives incorporating the changing needs of stakeholders, users, and culture ecosystems as a whole are required to facilitate planned climate change adaptation and mitigation.

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Transgenerational acclimation to seawater acidification in the Manila clam Ruditapes philippinarum: Preferential uptake of metabolic carbon

Cited by 58 publications

References 51 publications

Nurtured by nature: Considering the role of environmental and parental legacies in coral ecological performance

Nurtured by nature: Considering the role of environmental and parental legacies in coral ecological performance

Climate change and aquaculture: considering biological response and resources

Climate change and aquaculture: considering adaptation potential

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